三价 [sān jià]
n. trivalence ; trivalency
misc. tervalence
网络释义专业释义
双语例句原声例句
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XRD 图谱表明，阴极材料结晶完整，为均一橄榄石型结构，仅含少量三价铁杂质。
XRD patterns showed that the cathode material is well-crystallized, homogeneous olivine-type phase, with only tiny trivalence iron impurities.
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因为铝离子为正三价,氧为负二价。
Because aluminum ions have charge of plus three and oxygen ions have charge of minus two.
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二价铁能还原成三价铁。
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- Then also, nitrogen, 3 minus -- these are all going to be isoelectronic with neon.
然后还有，氮，负三价-,这些都是与氖原子等电子的。
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Because aluminum ions have charge of plus three and oxygen ions have charge of minus two.
因为铝离子为正三价,氧为负二价。
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